.login{  
    background-image:url(/images/login_user.gif) !important;  
    background-repeat:no-repeat;  
    background-position:right;  
                          
}  
.password{  
    background-image:url(/images/password.gif) !important;  
    background-repeat:no-repeat;  
    background-position:right;  
                          
    } 